<template>
    <view class="cart-container" v-if="cart.length !== 0">
        <!-- 收货地址组件 -->
        <my-address></my-address>
        
      <!-- 购物车商品列表的标题区域 -->
      <view class="cart-title">
        <!-- 左侧的图标 -->
        <uni-icons type="shop" size="18"></uni-icons>
        <!-- 描述文本 -->
        <text class="cart-title-text">购物车</text>
      </view>
      
      <!-- 商品列表区域 -->
      <uni-swipe-action>
          <block v-for="(goods, i) in cart" :key="i">
             <uni-swipe-action-item :right-options="options" @click="swipeItemClickHandler(goods)">
                <my-goods :goods="goods" :show-num="true" :showRadio="true" @radio-change="radioChangeHandler()" @num-change="numberChangeHandler"></my-goods>
             </uni-swipe-action-item>
          </block>
      </uni-swipe-action>
      
      <my-settle></my-settle>
    </view>
    
    <!-- 空白购物车区域 -->
      <view class="empty-cart" v-else>
        <!-- <image src="/static/cart_empty@2x.png" class="empty-img"></image> -->
        <text class="tip-text">空空如也~</text>
      </view>
</template>

<script>
    import badgeMix from '../../mixins/tabbar-badge.js'
    import {mapState,mapMutations} from 'vuex'
    export default {
        mixins:[badgeMix],
        computed:{
            ...mapState('m_cart',['cart'])
        },
        data() {
            return {
               options:[{
                   text:"删除",
                   style:{
                       backgroundColor:'#c00000'
                   }
               }] 
            };
        },
        methods:{
            ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
            radioChangeHandler(e){
                // console.log(e);
                this.updateGoodsState(e)
            },
            numberChangeHandler(e){
                // console.log(e);
                this.updateGoodsCount(e)
            },
            swipeItemClickHandler(goods){
                // console.log(goods);
                this.removeGoodsById(goods.goods_id)
            }
        }
    }
</script>

<style lang="scss">
.cart-container{
     padding-bottom: 50px;
}
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}

.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;


  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
